/**
 * The data class to (de)fuzzyize a number.
 * This class has to be hard coded, though, which
 * kinda sucks.  Maybe direct manipulation of the pretty
 * line picture would be cool!!!  YEAH!!!
**/

import java.awt.*;

class FuzzyNumber {

    int iRealNum;
    double iFuzzyNum;

    int iLeftZero;
    int iRightOne;

    /**
     * @param iRN The real number
    **/
    FuzzyNumber(int iRN)
    {
        iRealNum = iRN;

        setRightOne(65);
        setLeftZero(10);

        calcFuzNum();

    }

    /**
     * @param iRN The real number to set this to
    **/
    public void setReal(int iRN)
    {
        iRealNum = iRN;
        calcFuzNum();
    }

    /**
     * Find out what the fuzzy number should be
    **/
    private void calcFuzNum()
    {
        // Calc how much into slant it is
        int iDistance = iRealNum - iLeftZero;
        double dFactor = (double) 1 / (double) (iRightOne - iLeftZero);

        if ( iRealNum <= iLeftZero )
            iFuzzyNum = 0;
        else if ( iRealNum >= iRightOne )
            iFuzzyNum = 1;
        else {
            iFuzzyNum = (double) iDistance * dFactor;
        }

    }

    /**
     * Draw the pretty graph thing
    **/
    public void displayGraph( Graphics g )
    {
        g.setColor( Color.white );
        g.fillRect( 20, 50, 180, 50 );

        g.setColor( Color.black );
        g.drawLine( 20, 95, 20 + 2 * iLeftZero, 95 );
        g.drawLine( 20 + 2*iLeftZero, 95, 20 + iRightOne * 2, 55 );
        g.drawLine( 20 + iRightOne * 2, 55, 200, 55 );

        g.setColor( Color.blue );
        g.drawLine( 20 + iRealNum * 2, 100, 20 + iRealNum * 2, 50 );

    }

    /**
     * @return The fuzzy value
    **/
    public double getFuzzyNum()
    {
        return iFuzzyNum;
    }

    /**
     * @param left The new value for iLeftZero
    **/
    public void setLeftZero( int left )
    {
        if (left < iRightOne)
            iLeftZero = left;
    }

    /**
     * @param right The new value for iRightOne
    **/
    public void setRightOne( int right )
    {
        if (right > iLeftZero)
            iRightOne = right;
    }

}